Hi,
There is no function..
You can write a simple script for your need or search internet or
download and compile it :
http://sourceforge.net/projects/yest/yest is a command line date/time manipulation and formatting program,
very useful in scripts. You can easily add or subtract days, hours
and/or minutes from a specified date.

On Fri, 9 Oct 2009, rachael hastings via shellscript-l wrote:
> is there any function available in unix, to add month to a date...
> say, if i want to add a month to today's date...how to do that...what
> function to use...
If you have the GNU version of the date command:

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